Floating marine way



May 12, 1931.

' FLOATING MARINE WAY Filed May 12, 1930 y M f F. BITTE ,sy \A s Sheets-Sheet 1 [/VVEN TOR. A fredBiZZE. .9 ,5

flitomey.

F. BITTE.

FLOATING MARINE WAY Filed May 12, 1950' 3 Sheets-Sheet 2 1M1" mm al uu y 9 10 9 JNVENTOR.

red time.

Atwrney F. BITTE FLOATING MARINE WAY -May 12, 1931.

I Filed May 12, 1930 5 Sheets-Sheet 3 '[NVEN TOR.

re (1 Elite.

Allorney.

Patented May 1-2, 1931 r NT orrrce FRED BITTE, or PORTLAND, OREGON FLOATING MARINE WAY My invention relates more particularly to a means for dry-docking boats.

The objects of my invention are: to provide a suitable means of buoyancy through.

i provide ameans of suspension for said carriagethrough two-sets oftwo derrick frames mounted on the bracings holding the logs andpontoons together; to provide a means of raising and lowering the carriage through an arrangem'ent of two block and tackle sets; to construct a suitable work room, quarters for crew and office; to shelter the whole structure with a roof; and to provide a means for mooring the structure.

I obtained these objects in the manner illustrated in theaccompanying drawings and set forth in the specifications following: Figure 1 is a plan view of the carriage. Figure 2 is a side elevation of the carriage. Figure 3 is an end elevation of the carriage. Figure 4 is an end elevation of one of the four derrick frames. Figure 5 is an end elevation of one of the four strengthening frames. Figure 6 is a side elevation of the whole structure with a portion of the roof shown removed.

Similar numbers of reference refer to simi other; number 6 slide for bilge blocks; num-' her 7 derrick frame for bearing weight of the carriage; number 8 strengthening frame for reinforcing the whole structure; number 9 log for supplying buoyancy and foundation for superstructure; number 10 pontoon for supplying buoyancy; number 11 mooring .-carriage.

"break the structure apart.

:of proper dimensions across their peaks to 7 together. lung from one frame 'tothe next. Theymoor- 1930; Serial No. 4515620.

bit for facilitatingthe mcoringof the'craft; and number 12 roof for providing shelter.

It will be observed that'the combination .of the above parts,assembled according to the accompanying drawings, forms a means of completely removing from the water any boat of any size. up to the maximum capacity of the carriage for any purposes necessary whatsoever. I

It will also be observed that inasmuch as so thedevice is not necessarily fixed to any stationary body, it may be-easily removed to any desired place. l

The logs 9 are held inxplace by "timbers .placedacross and securely fastened to them -05 under the deckingi The pontoons 1O b'etween them are sorplaced in relation to longitudinal position thatthe resultant of their force of buoyancyand the force ofjbuoyancy of those portions of the four logs which bear w the least weight will be in the middleof the The two separate rafts thus formed,that is, the two logs running parallel with a pontoon between 'them, the three parts being held togetheras described above, are held parallel and comparatively rigid with respect to one another by means of the strengthening frames 8 and 'the der-rick frames 7. The strengthening frames 8 are soidesigned and so 'secu'red'to the logs and pontoons that they will oifer the greatest resistance to any strains that would tendtito The derrick frames? are mo'untedin pairs "with a timber support the upper block 'of the block and tackle set and in such a position that said block willbe directly above the block secured to the carriage. The cables 3 are the connection between the carriage. and the timber W across the derrick frames; The cable clamps lyserve to bind the several bights offleable The roof 12 is laid on raafters runing bits 1 1 are firmly secured to the logs proper. The lower part-of the carriage is held *rigid by thetwo angle iron stringers 25 and the-bilge block slides .6. These stringers are :held to the iron :rods 2 with -U bolts. The, top of the carriage is substantially braced by timbers to prevent its collapsing from the strains imposed upon it by the supporting cables.

Having fully described my invention, I claim and desire to protect by Letters Patent: i

1. In a floating marine ways, a carriage consisting of the combination of two timbers, of rectangular cross section, separated -by six bracing timbers, two of which run directly between the timbers and four of which run diagonally between said timbers, and from each of which five iron rods, equally spaced along the length of each of said timbers, are dropped to five timbers directly below and running at right angles to said timbers, the

lower timbers being held in position by two bilge block slides and by two lengths of angle iron, each length fixed to the iron rods by means of U bolts.

2. In a floating marine ways, a-derrick frame consisting ofa combination of four timbers of equal lengths, mounted upright the midpoints of the two extreme upright timbers to the two midpoints of the two rafters, two of which run from the midpoints of said rafters to the midpoint of the cross-timber upon which the rafters are set, two of which run from the peak formed by the rafters to the cross-timber at an angle i of sixty degrees to said timber, two ofwhich run vertically from the midpoints of the rafters to the cross-timber, and four of which serve as corner bracings, and by three iron rods, one of which runs from the peak formed by the rafter vertically to the cross timber, and two of which run vertically from the midpoints of said rafters to said timber.

' 3. In a vfloating marine ways, a strengthening frame consisting of a combination of four timbers, mounted upright and in the same plane, the outside timbers of which are bracedby means of three ships knees and two diagonal bracings each and across the tops of which runs a timber upon which in turn are mounted continuations of the four uprights'across the tops of which continuations runs another timber which supports the forming an angle of sixty degrees with said timber, and by two bracings running perpendicularly from the rafters .to the crosstimber, and by seven iron rods, four of which run between the two cross-timbers and three of which run between the rafters and the upper cross-timber, all rods running through the timbers and being fitted with washers and nuts at their extremities.

4. In a floating marine ways, a structure consisting of a combination of a carriage, four derrick-frames, and four strengthening frames, two pairs of logs lying parallel with pontoons attached to and between each pair of logs, the logs and pontoons being held together and in position by means of timbers running across them, said timbers being securely aflixed with spikes and bolts, and by the four strengthening and four derrickframes, the whole combination being firmly secured to said timbers and the whole structure being arranged in such a way that one strengthening frame will be at one end of the logs, the four derrick-frames, arranged in pairs with a heavy timber across the peaks of the extreme pairs for suspending the carriage, with respectto its longitudinal. position, near the end strengthening-frame, and the other three frames equally spaced between the derrick-frames and the opposite end of the logs. V

In witness whereof, I have hereunto set my hand.

FRED BITTE. 

